Acura 2002 RSX Service Manual page 90

Symptom Troubleshooting Index
NOTE:
. The numbers in the table show the troubleshooting sequence'
. Before trou bleshooting.
- c h e c k t h e N o . ' 1 0 ( 7 . 5 A ) a n d N o 4 ( 1 0 A ) f u s e s i n t h e u n d e r - d a s h f u s e / r e l a y b o x ' a n d t h e N o T ( 1 5 A ) f u s e i n t h e
under-hood fuse/relaY box
- check that the horn sounds.
- check the tachometer to see if it works properly
Symptom
Diagnostic proc€dure
,
Also check for
. Poor ground:
G101(A"/T),
G4o2(M/T). G401
' OPen circuit,
loose or
disconnected
t e r m i n a l s :
L T G R N ,
B L V O R N ,
GRY/RED, BLU,
LT BLU,
BLU/VVHT
Cruise control cannot be
set
1. Check main switch (see page 4-54)
2. Check SET/RESUME/CANCEL
switch (see page 4-54)
3. Test brake pedal position switch and check its adjustment
( s e e p a g e 1 9 - 6 )
4. Test clutch pedal position switch (see page 4-58) and check
its adjustment (lvl/T) (see page 12-4)
5. Check transmission rangeswitch (Ay'T) (see page 14-'168)
6. Check cruise control unit (see page 4-52)
Check cruise control unit (see page 4-52)
Cire"k uehi"le spe"d sensor (VSS) (see page 22-67)
Check cruise control actuator (see page 4-55)
Check cruise control unit {see page 4-52}
1 .
2 .
3 .
Cruise control can be set
but indicator Iighl does
not go on
. Poor ground:
G 4 0 1
. Open circuit,
l o o s e o r
disconnected
t e r m r n a l s :
YEL, BLUf/EL
Cruise speed is
n o t i c e a b l y h i g h e r o r
lower than what was set
Excessive overshooting
or undershooting when
t r v i n d
t o q c t s n e e d
1. Check cruise control actuator (see page 4-55)
2. Check vehicle speed sensor (VSS) {see page 22-67)
3. Check cruise control unit {see page 4-521
Speed fluctuation on a
flat road with cruise
control set
Vehicle does not
decelerate or accelerate
accordingly when SET/
RESUME/CANCEL button
i s D u s h e d
i-. check vehicle spss6 5gn5er (VSS) \see page 22-671
2. Check cruise control actuator {see page 4-55)
2 a h a ^ L . i ' i c a . . j n t r o l | | n i l { s e e o a o e 4 - 5 2 }
r. cne"t stlnesUMEicANCEL switch (see page 4-54)
2. Check cruise control unit (see page 4-52)
Open circuit. loose
or disconnected
t e r m i n a l s :
GRY/RED.
LT GRN/BLK
Set speed does not
cancel (engine rpm stays
high) when clutch Pedal
i - ^ ' , - h 6 . 1 / [ r / T \
fest ctutcn oedal position switch and check its adjustment
(see page 4-58)
Check cruise control unit (see page 4-52)
Check transmission range switch (see page 14-168)
Check cruise control unit (see page 4-52)
Trst brake pedal position switch and check its adjustment
(see page 19-6)
Test cruise control unit (see page 4-52)
1 .
2 .
1 .
2 .
Short to ground in
thE LT BLU WiTE
Set speed does not
cancel when shift Iever is
moved to Neutral
position (A/T)
_
Set speed does not
cancel when brake pedal
i s p u s h e d
Short to ground In
the LT BLU wire
Open circuit. loose
or disconnected
t e r m i n a l s :
WHT/BLK
(cont'd)
4-49